CK3 DatabaseCrusader Kings III · 1.20.1.2 “Crozier” · unofficial
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Coat of arms of Eastern Roman Empire

Hegemony

Eastern Roman Empire

The hegemony of Eastern Roman Empire in patch 1.20.1.2: 0 de jure empires and 0 counties. Its capital is Byzantion.

give_title h_eastern_roman_empire

The hegemony of Eastern Roman Empire (title ID h_eastern_roman_empire) has 0 de jure empires in Crusader Kings III. To create it from the title view you need 2 empire titles (or 1 hegemony title) and enough of its de jure counties, and it costs 2,000 gold for 600 prestige and 100 legitimacy; it is also formed through the decision Cleave the Empire. Console: give_title h_eastern_roman_empire. Patch 1.20.1.2, from game/common/landed_titles/00_landed_titles.txt and game/common/defines/00_defines.txt.

Quick answers (1)
How do you form Eastern Roman Empire in CK3?
To create Eastern Roman Empire from the title view you need 2 empire titles (or 1 hegemony title) and enough of its de jure counties, and it costs 2,000 gold for 600 prestige and 100 legitimacy; it is also formed through the decision Cleave the Empire.

How to form Eastern Roman Empire

The decision that hands it over

Their effects make someone the holder of h_eastern_roman_empire — read from common/decisions, the scripted effects they call and the events they fire. Some hand it to another character the decision names.

  • Cleave the Empire

    … will be split in two, thus forming the Eastern Roman Empire

    • Realm size (counties) at least 150
    • Holds Byzantion
    • available (not in an army, not imprisoned, not incapable)
    Roads to Power

Create it from the title view

You need one of
  • 2 empire titles
  • 1 hegemony title

“You need one of the following:” · titles you hold or completely control (CREATE_TITLE_OR_TIER_HEGEMONY)

De jure counties
Enough of its de jure counties: the window says “You only have … of … required Counties”. How many it asks for is worked out by the game's code, not written in the files.
Cost
gold2,000gold

Discounts can bring it down to 400 gold at least (20% — what lowers it). Mandala rulers also need piety level 5 and pay 10,000 piety.

You gain
prestige600prestige100legitimacy

Extra conditions written for Eastern Roman Empire

  • If

    • One of these

      • Game rule set to “Enabled”

      • or

        Game rule set to “Enabled, Headless Exempt”

    Then

  • If

    • If game rule set to “AI Only”: Is played by the AI
    • Else, if game rule set to “Player Only”: Is played by a person
    • Otherwise:
      • always = yes
    • Highest held Title is at most Kingdom Rank

    Then

    • Depending on has game rule:
      • When has game rule is title creation imperial power projection any power advantage: Due to your Imperial Power Projection game rule setting, you must have at least one of the following with every neighboring Empire: Be married to their Close Family · Have a Strong Hook on their Ruler · Be at least 50% stronger than their total forces
      • When has game rule is title creation imperial power projection hard power only: Due to your Imperial Power Projection game rule setting, you must be at least 50% stronger than every neighboring Empire
      • When has game rule is title creation imperial power projection soft power only: Due to your Imperial Power Projection game rule setting, you must have at least one of the following with every neighboring Empire: Be married to their Close Family · Have a Strong Hook on their Ruler
      • When has game rule is title creation imperial power projection hard power only strict:
        • Due to your Imperial Power Projection game rule setting, you must be at least 50% stronger than every neighboring Empire
        • Due to your Imperial Power Projection game rule setting, you must be at least 50% stronger than every Empire which shares any De Jure territory in your Realm
      • When has game rule is title creation imperial power projection any power strict:
        • Due to your Imperial Power Projection game rule setting, you must have at least one of the following with every neighboring Empire: Be married to their Close Family · Have a Strong Hook on their Ruler · Be at least 50% stronger than their total forces
        • Due to your Imperial Power Projection game rule setting, you must have at least one of the following with every Empire which shares any De Jure territory in your Realm: Be married to their Close Family · Have a Strong Hook on their Ruler · Be at least 50% stronger than their total forces
      • In any other case:
        • always = yes

Usurping a hegemony costs 2,000 gold and gives 600 prestige; destroying one costs 2,200 prestige and 100 legitimacy. See also the domain, vassal and duchy limits. Patch 1.20.1.2: common/defines/00_defines.txt (NTitle), common/landed_titles/00_landed_titles.txt, common/decisions.

Coat of arms of Eastern Roman Empire

Eastern Roman Empire coat of arms

The coat as the game defines it, ready for the coat-of-arms designer's Paste. The text is the definition from common/coat_of_arms with its @values worked out — not tried in the game yet. Coats a title changes to in play (a conquest, a new dynasty) are not shown. All coats of arms

Show the code
h_eastern_roman_empire={
	pattern="pattern_solid.dds"
	color1="purple"
	color2="yellow"
	colored_emblem={
		color1="yellow"
		color2="yellow"
		texture="ce_letter_p.dds"
		instance={
			position={ 0.550000 0.340000 }
			scale={ 0.180000 0.180000 }
			depth=2.010000
		}
	}
	colored_emblem={
		color1="yellow"
		color2="yellow"
		texture="ce_letter_r.dds"
		instance={
			position={ 0.550000 0.450000 }
			scale={ 0.180000 0.180000 }
		}
	}
	colored_emblem={
		color1="yellow"
		color2="yellow"
		texture="ce_letter_q.dds"
		instance={
			position={ 0.450000 0.450000 }
			scale={ 0.180000 0.180000 }
			depth=1.010000
		}
	}
	colored_emblem={
		color1="yellow"
		color2="yellow"
		color3="black"
		texture="ce_eagle_double.dds"
		instance={
			scale={ 0.900000 1.000000 }
			depth=6.010000
		}
	}
	colored_emblem={
		color1="yellow"
		color2="yellow"
		texture="ce_shield_01.dds"
		instance={
			position={ 0.500000 0.432000 }
			scale={ 0.350000 0.350000 }
			depth=5.010000
		}
	}
	colored_emblem={
		color1="yellow"
		color2="yellow"
		texture="ce_crown_small.dds"
		instance={
			position={ 0.569000 0.100000 }
			scale={ 0.100000 0.100000 }
			depth=7.010000
			rotation=348
		}
		instance={
			position={ 0.431000 0.100000 }
			scale={ 0.100000 0.100000 }
			depth=8.010000
			rotation=12
		}
	}
	colored_emblem={
		color1="yellow"
		color2="yellow"
		texture="ce_letter_s.dds"
		instance={
			position={ 0.450000 0.340000 }
			scale={ 0.180000 0.180000 }
			depth=3.010000
		}
	}
	colored_emblem={
		color1="purple"
		color2="red"
		texture="ce_shield_01.dds"
		instance={
			position={ 0.500000 0.432000 }
			scale={ 0.330000 0.330000 }
			depth=4.010000
		}
	}
}

Source: game/common/landed_titles/00_landed_titles.txt and the English localisation, Crusader Kings III 1.20.1.2. Commands as listed on the official wiki's console page. See also title IDs, character IDs, dynasty IDs and nicknames.

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